import CryptoJS from 'crypto-js'

export default {
  // 解密  data：要加密解密的数据，AES_KEY：密钥，IV:偏移量
  decrypt(data, AES_KEY, IV) {
    const key = CryptoJS.enc.Utf8.parse(AES_KEY)
    const iv = CryptoJS.enc.Utf8.parse(IV)
    const decrypt = CryptoJS.AES.decrypt(data, key, {
      iv,
      mode: CryptoJS.mode.CBC,
      padding: CryptoJS.pad.Pkcs7
    }).toString(CryptoJS.enc.Utf8)
    return decrypt
  },
  // 加密
  encrypt(data, AES_KEY, IV) {
    const key = CryptoJS.enc.Utf8.parse(AES_KEY)
    const iv = CryptoJS.enc.Utf8.parse(IV)
    const encrypted = CryptoJS.AES.encrypt(data, key, {
      iv,
      mode: CryptoJS.mode.CBC,
      padding: CryptoJS.pad.Pkcs7
    })
    return encrypted.toString()
  }
}
